The data above are for the month of Jan 2019 ending at 18GMT on day 21.

Averages refer to the period 1981-2010 in all cases.

09GMT MSL Pressure (mb) : mean, highest and lowest MSL pressure at 0900GMTRainfall (mm) : total starting 0600GMT/1st, and greatest 12-hour fall ending 06GMT or 18GMTMaximum Temperature (degC) : for the period 06-18GMT, mean, highest and lowestMinimum Temperature (degC) : for the period 18-06GMT, mean, highest and lowestSunshine (h) : total and highest daily valueMean Temperature (degC) : the average of the mean maximum and mean minimumTemperature anomaly (degC) : the departure from the climatological averageRainfall percentage (%) : the monthly total as a percentage of the climatological averageSunshine percentage (%) : the monthly total as a percentage of the climatological average
(an asterisk denotes site now uses a Kipp-Zonen instrument). This change was made
to the tables on 27.08.2008. Climatological averages are for 30-years of
pseudo-KZ observations in this case)Pressure anomaly (mb) : the departure from the climatological average